CN108546944A - A kind of environment-friendly type iron castings surface conditioning agent and its processing method - Google Patents
A kind of environment-friendly type iron castings surface conditioning agent and its processing method Download PDFInfo
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- CN108546944A CN108546944A CN201810457039.4A CN201810457039A CN108546944A CN 108546944 A CN108546944 A CN 108546944A CN 201810457039 A CN201810457039 A CN 201810457039A CN 108546944 A CN108546944 A CN 108546944A
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- iron castings
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/68—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
- C23G1/26—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a kind of environment-friendly type iron castings surface conditioning agent and its processing method, which is made of the raw material of following mass fraction：Sodium metasilicate 2~5%, coke deflection acid sodium 0.5~2%, sodium carbonate 0.5~1.5%, octadecane alcohol radical APEO 3~8%, nonionic surface active agent 0.5~3%, coke powder 0.5~1%, antioxidant 0.5~1%, corrosion inhibiter 0.1~0.5%, deionized water surplus, the processing method includes mainly iron castings pre-treatment, washing, iron castings oil removing, processing of rust removing, hot water wash, plating, surface conditioning agent raw material sources produced by the present invention are easy to get extensively, it is nontoxic, it is non-hazardous to environment to people, it is pollution-free, it ensure that the glossiness of metal surface, metal surface quality can be improved, improve the quality of metal surface.
Description
Technical field
The present invention relates to castings production processing technique fields, and in particular to a kind of environment-friendly type iron castings surface conditioning agent and its
Processing method.
Background technology
Oxide skin existing for Iron Casting Surface floats rust, iron filings, and greasy dirt, the pollutants adhesive force such as dust is stronger, and cast iron is adding
Metal conditioner need to be often used to be surface-treated to it to improve the Corrosion Protection of metal material after work molding；It is not right
When metal surface implements the processing such as chemical conversion treatment and carries out lamination process, removed from metal surface there are laminated film or golden
Belong to the problem of corrosion etc occurs for material.
Surface conditioning agent handles metal surface, is commonly present many problems.Most surface conditioning agent is to environmental hazard
Larger, such as surface cleaning agent containing Se, Cr, Cu, the heavy metal ion generated seriously pollutes environment, in recent years by pipe
System or disabling；Containing a large amount of Phos in phosphatization surface conditioning agent can cause river to be moored with the discharge of waste water during use
Eutrophication pollution, or even cause threat to the drinking water safety of urban and rural residents of China；Most surfaces inorganic agent can only
The metal conditioner that simple degreasing or derusting, such as organic vfanadium compound and inorganic acid form is passed through in metal material
After crossing alkali cleaning degreasing process, it is not avoided that the generation of white rust, corrosion resistance and resistance to alkali cleaning are bad, and are difficult to meet current casting
Complicated cast(ing) surface cleaning requirement caused by technique.
Invention content
In view of the above problems, the present invention proposes a kind of environment-friendly type iron castings surface conditioning agent and its processing side
Method, which is easy to get extensively, nontoxic, non-hazardous to environment, pollution-free to people, ensure that metal watch
The glossiness in face can improve metal surface quality, improve the quality of metal surface.
In order to achieve the above purpose, the present invention uses technical solution below：
A kind of environment-friendly type iron castings surface conditioning agent, the surface conditioning agent are made of the raw material of following mass fraction：Silicon
It is sour sodium 2~5%, coke deflection acid sodium 0.5~2%, sodium carbonate 0.5~1.5%, octadecane alcohol radical APEO 3~8%, non-
Ionic surfactant 0.5~3%, coke powder 0.5~1%, antioxidant 0.5~1%, corrosion inhibiter 0.1~0.5%,
Deionized water surplus.
Preferably, the surface conditioning agent is made of the raw material of following mass fraction：Sodium metasilicate 3%, coke deflection acid sodium
1%, sodium carbonate 1%, octadecane alcohol radical APEO 5%, nonionic surface active agent 2%, coke powder 0.7%, anti-
Oxidant 0.7%, corrosion inhibiter 0.3%, deionized water surplus.
Preferably, the nonionic surface active agent is nonylphenol polyoxyethylene ether, OP-10, TX-10, poly alkyl alcohol
It is one or more in ethylene oxide ether.
Preferably, the antioxidant is one in sodium citrate, dibutyl hydroxy toluene, potassium sulfite or sodium sulfite
Kind is a variety of；The corrosion inhibiter is benzotriazole.
A method of iron castings being handled using the environment-friendly type surface conditioning agent, is included the following steps：
(1) iron castings pre-treatment：Iron castings is heated to 45~55 DEG C, is placed in 20~40min of immersion in wax removing agent, leaching
It is ultrasonically treated during bubble, ultrasonic power is 500~600W, the wax of iron castings blank surface is removed, after obtaining paraffin removal
Iron castings；
(2) it washes：Iron castings after paraffin removal is placed in in deionized water, the supersound process of 10~15min of progress is ultrasonic
Power is 500~600W, further takes out the iron castings rinsed comprehensively with deionized water after paraffin removal, rinses and repeats 4~6 times, removes table
Face remnants wax removing agents；
(3) iron castings oil removing, processing of rust removing：By surface conditioning agent and deionized water according to 1:25~35 dilution proportion obtains
To dilution, the iron castings in step (2) is placed in dilution, and 5~10min of ultrasound, ultrasonic power is 500~600W；
(4) hot water wash, plating：Oil removing in step (3), the iron castings after derusting are gone 60~80 DEG C of temperature temperature
Ionized water rinses 2~4 times comprehensively, is electroplated after drying.
Preferably, ultrasonic power is 550W in the step (1).
Preferably, surface conditioning agent and deionized water mixed proportion are 1 in the step (3):30.
Due to using above-mentioned technical solution, the beneficial effects of the invention are as follows：
(1) grease on iron castings surface is effectively decomposed using sodium metasilicate, sodium carbonate in the present invention, carries grease
Emulsion droplet liquid under the strong suction-operated of coke powder, by adsorpting aggregation, the effective surface for clearing up iron castings, after removing grease
Iron castings surface under the action of metal-chelator coke deflection acid sodium, forms one layer of metal-chelate with cast(ing) surface and protects again
Film layer, this protection film layer avoid being in direct contact for iron castings surface and external influence factor, ensure that iron castings is not invaded
Erosion；Protection film layer effectively ensures the glossiness on iron castings surface, can improve metal surface quality, improves the product of metal surface
Matter further ensures the bond strength of iron castings and coating material.
(2) not only raw material sources are easy to get surface conditioning agent of the invention extensively, also nontoxic, make without pair to iron castings
With non-hazardous to environment, pollution-free to people；The present invention reduces the effect of heat source and basic unit, therefore carries out at metal surface
Can be cost-effective when reason, it is convenient and practical suitable for popularization and application.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described.Based on the embodiment of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Embodiment 1：
A kind of environment-friendly type iron castings surface conditioning agent, the surface conditioning agent are made of the raw material of following mass fraction：Silicon
Sour sodium 3%, coke deflection acid sodium 1%, sodium carbonate 1%, octadecane alcohol radical APEO 5%, nonylphenol polyoxyethylene ether 1%,
OP-101%, coke powder 0.7%, sodium citrate 0.3%, dibutyl hydroxy toluene 0.4%, benzotriazole 0.3%, go from
Sub- water surplus.
A method of iron castings being handled using the environment-friendly type surface conditioning agent, is included the following steps：
(1) iron castings pre-treatment：Iron castings is heated to 50 DEG C, is placed in wax removing agent and impregnates 30min, in soaking process
It is ultrasonically treated, ultrasonic power 550W, removes the wax of iron castings blank surface, obtain the iron castings after paraffin removal；
(2) it washes：Iron castings after paraffin removal is placed in in deionized water, the supersound process of progress ultrasound 12min is ultrasonic
Power is 550W, further takes out the iron castings rinsed comprehensively with deionized water after paraffin removal, and flushing is repeated 5 times, and removes surface residual and removes
Cerate；
(3) iron castings oil removing, processing of rust removing：By surface conditioning agent and deionized water according to 1:30 dilution proportion obtains dilute
Liquid is released, the iron castings in step (2) is placed in dilution, and ultrasound 7min, ultrasonic power 550W；
(4) hot water wash, plating：By the oil removing in step (3), the iron castings after derusting 70 DEG C of temperature temperature deionization
Water rinses 3 times comprehensively, is electroplated after drying.
Embodiment 2：
A kind of environment-friendly type iron castings surface conditioning agent, the surface conditioning agent are made of the raw material of following mass fraction：Silicon
Sour sodium 2%, coke deflection acid sodium 0.5%, sodium carbonate 0.5%, octadecane alcohol radical APEO 8%, nonylphenol polyoxyethylene ether
1%, TX-102%, coke powder 0.5%, dibutyl hydroxy toluene 0.3%, potassium sulfite 0.7%, benzotriazole 0.4%,
Deionized water surplus.
A method of iron castings being handled using the environment-friendly type surface conditioning agent, is included the following steps：
(1) iron castings pre-treatment：Iron castings is heated to 45 DEG C, is placed in wax removing agent and impregnates 25min, in soaking process
It is ultrasonically treated, ultrasonic power 600W, removes the wax of iron castings blank surface, obtain the iron castings after paraffin removal；
(2) it washes：Iron castings after paraffin removal is placed in in deionized water, the supersound process of 13min, ultrasonic power are carried out
For 600W, the iron castings rinsed comprehensively with deionized water after paraffin removal is further taken out, flushing is repeated 4 times, and removes surface residual wax removing agent；
(3) iron castings oil removing, processing of rust removing：By surface conditioning agent and deionized water according to 1:28 dilution proportion obtains dilute
Liquid is released, the iron castings in step (2) is placed in dilution, and ultrasound 6min, ultrasonic power 600W；
(4) hot water wash, plating：By the oil removing in step (3), the iron castings after derusting 65 DEG C of temperature temperature deionization
Water rinses 2 times comprehensively, is electroplated after drying.
Embodiment 3：
A kind of environment-friendly type iron castings surface conditioning agent, the surface conditioning agent are made of the raw material of following mass fraction：Silicon
Sour sodium 4%, coke deflection acid sodium 1.5%, sodium carbonate 1.5%, octadecane alcohol radical APEO 3%, OP-100.5%, TX-
101%, coke powder 1%, dibutyl hydroxy toluene 0.2%, sodium sulfite 0.7%, benzotriazole 0.5%, deionized water
Surplus.
A method of iron castings being handled using the environment-friendly type surface conditioning agent, is included the following steps：
(1) iron castings pre-treatment：Iron castings is heated to 47 DEG C, is placed in wax removing agent and impregnates 20min, in soaking process
It is ultrasonically treated, ultrasonic power 530W, removes the wax of iron castings blank surface, obtain the iron castings after paraffin removal；
(2) it washes：Iron castings after paraffin removal is placed in in deionized water, the supersound process of 10min, ultrasonic power are carried out
For 530W, the iron castings rinsed comprehensively with deionized water after paraffin removal is further taken out, flushing is repeated 6 times, and removes surface residual wax removing agent；
(3) iron castings oil removing, processing of rust removing：By surface conditioning agent and deionized water according to 1:25 dilution proportion obtains dilute
Liquid is released, the iron castings in step (2) is placed in dilution, and ultrasound 5min, ultrasonic power 600W；
(4) hot water wash, plating：By the oil removing in step (3), the iron castings after derusting 75 DEG C of temperature temperature deionization
Water rinses 4 times comprehensively, is electroplated after drying.
Embodiment 4：
A kind of environment-friendly type iron castings surface conditioning agent, the surface conditioning agent are made of the raw material of following mass fraction：Silicon
Sour sodium 5%, coke deflection acid sodium 2%, sodium carbonate 0.7%, octadecane alcohol radical APEO 6%, nonylphenol polyoxyethylene ether
0.2%, fatty alcohol polyoxyethylene ether 0.3%, coke powder 0.8%, sodium citrate 0.3%, sodium sulfite 0.2%, benzo three
Nitrogen azoles 0.1%, deionized water surplus.
A method of iron castings being handled using the environment-friendly type surface conditioning agent, is included the following steps：
(1) iron castings pre-treatment：Iron castings is heated to 53 DEG C, is placed in wax removing agent and impregnates 35min, in soaking process
It is ultrasonically treated, ultrasonic power 500W, removes the wax of iron castings blank surface, obtain the iron castings after paraffin removal；
(2) it washes：Iron castings after paraffin removal is placed in in deionized water, the supersound process of 14min, ultrasonic power are carried out
For 500W, the iron castings rinsed comprehensively with deionized water after paraffin removal is further taken out, flushing is repeated 4 times, and removes surface residual wax removing agent；
(3) iron castings oil removing, processing of rust removing：By surface conditioning agent and deionized water according to 1:33 dilution proportion obtains dilute
Liquid is released, the iron castings in step (2) is placed in dilution, and ultrasound 8min, ultrasonic power 500W；
(4) hot water wash, plating：By the oil removing in step (3), the iron castings after derusting 80 DEG C of temperature temperature deionization
Water rinses 4 times comprehensively, is electroplated after drying.
Embodiment 5：
A kind of environment-friendly type iron castings surface conditioning agent, the surface conditioning agent are made of the raw material of following mass fraction：Silicon
Sour sodium 2%, coke deflection acid sodium 1.5%, sodium carbonate 1.3%, octadecane alcohol radical APEO 4%, OP-100.3%, fatty alcohol
Polyoxyethylene ether 0.7%, coke powder 0.9%, dibutyl hydroxy toluene 0.2%, sodium sulfite 0.4%, benzotriazole
0.2%, deionized water surplus.
A method of iron castings being handled using the environment-friendly type surface conditioning agent, is included the following steps：
(1) iron castings pre-treatment：Iron castings is heated to 55 DEG C, is placed in wax removing agent and impregnates 40min, in soaking process
It is ultrasonically treated, ultrasonic power 580W, removes the wax of iron castings blank surface, obtain the iron castings after paraffin removal；
(2) it washes：Iron castings after paraffin removal is placed in in deionized water, the supersound process of 15min, ultrasonic power are carried out
For 580W, the iron castings rinsed comprehensively with deionized water after paraffin removal is further taken out, flushing is repeated 6 times, and removes surface residual wax removing agent；
(3) iron castings oil removing, processing of rust removing：By surface conditioning agent and deionized water according to 1:35 dilution proportion obtains dilute
Liquid is released, the iron castings in step (2) is placed in dilution, and ultrasound 10min, ultrasonic power 580W；
(4) hot water wash, plating：By the oil removing in step (3), the iron castings after derusting 60 DEG C of temperature temperature deionization
Water rinses 2 times comprehensively, is electroplated after drying.
Following table is after being handled iron castings using surface conditioning agent in Examples 1 to 5 and common commercially available inorganic agent, in cast iron casting
Part surface applies last layer resin protection film, and the data such as table of tensile test and the test of iron castings surface resistance and fingerprint resistance is carried out to protective film
Shown in 1.
1 data test result of table
Synthesis can obtain, and the more common iron castings surface conditioning agent of surface conditioning agent of the invention, which is compared, has good oil removing energy
Power can effectively ensure the glossiness and surface quality on iron castings surface.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of environment-friendly type iron castings surface conditioning agent, which is characterized in that the surface conditioning agent by following mass fraction original
Material composition：Sodium metasilicate 2~5%, coke deflection acid sodium 0.5~2%, sodium carbonate 0.5~1.5%, octadecane alcohol radical APEO 3
~8%, nonionic surface active agent 0.5~3%, coke powder 0.5~1%, antioxidant 0.5~1%, corrosion inhibiter 0.1
~0.5%, deionized water surplus.
2. environment-friendly type iron castings surface conditioning agent according to claim 1, which is characterized in that the surface conditioning agent by with
The raw material of lower mass fraction forms：Sodium metasilicate 3%, coke deflection acid sodium 1%, sodium carbonate 1%, octadecane alcohol radical APEO
5%, nonionic surface active agent 2%, coke powder 0.7%, antioxidant 0.7%, corrosion inhibiter 0.3%, more than deionized water
Amount.
3. environment-friendly type iron castings surface conditioning agent according to claim 1 or 2, which is characterized in that the nonionic table
Face activating agent is one or more in nonylphenol polyoxyethylene ether, OP-10, TX-10, fatty alcohol polyoxyethylene ether.
4. environment-friendly type iron castings surface conditioning agent according to claim 1 or 2, which is characterized in that the antioxidant is
It is one or more in sodium citrate, dibutyl hydroxy toluene, potassium sulfite or sodium sulfite；The corrosion inhibiter is three nitrogen of benzo
Azoles.
5. a kind of method using the environment-friendly type surface conditioning agent processing iron castings as described in any in claim 1-2, special
Sign is, includes the following steps：
(1) iron castings pre-treatment：Iron castings is heated to 45~55 DEG C, 20~40min of immersion in wax removing agent is placed in, impregnated
It is ultrasonically treated in journey, ultrasonic power is 500~600W, removes the wax of iron castings blank surface, obtains the cast iron casting after paraffin removal
Part；
(2) it washes：Iron castings after paraffin removal is placed in in deionized water, the supersound process of 10~15min, ultrasonic power are carried out
For 500~600W, the iron castings rinsed comprehensively with deionized water after paraffin removal is further taken out, rinses and repeats 4~6 times, it is residual to remove surface
Remaining wax removing agent；
(3) iron castings oil removing, processing of rust removing：By surface conditioning agent and deionized water according to 1:25~35 dilution proportion obtains dilute
Liquid is released, the iron castings in step (2) is placed in dilution, and 5~10min of ultrasound, ultrasonic power is 500~600W；
(4) hot water wash, plating：By the oil removing in step (3), the iron castings after derusting 60~80 DEG C of temperature temperature deionization
Water rinses 2~4 times comprehensively, is electroplated after drying.
6. the method according to claim 5 for handling iron castings using environment-friendly type surface conditioning agent, which is characterized in that described
Ultrasonic power is 550W in step (1).
7. the method according to claim 5 for handling iron castings using environment-friendly type surface conditioning agent, which is characterized in that described
Surface conditioning agent and deionized water mixed proportion are 1 in step (3):30.
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Application publication date: 20180918 |